Acta Apostolicae Sedis; commentarium officiale.

MLA

Catholic Church. and Yarnall Collection (University of Pennsylvania). Acta Apostolicae Sedis; commentarium officiale. [Cittá del Vaticano, etc.] : [Typis Polyglottis Vaticanis]

APA

Catholic Church. & Yarnall Collection (University of Pennsylvania). (1909). Acta Apostolicae Sedis; commentarium officiale. [Cittá del Vaticano, etc.] : [Typis Polyglottis Vaticanis].

Chicago

Catholic Church. and Yarnall Collection (University of Pennsylvania). Acta Apostolicae Sedis; commentarium officiale. [Cittá del Vaticano, etc.] : [Typis Polyglottis Vaticanis]